Home / 189,620.10-284,513.12-89,851.50

Finding the Fourth Proportional to 189,620.10, 284,513.12 and 89,851.50

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Solution

The fourth proportional to 189,620.10, 284,513.12 and 89,851.50 is: 134,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,620.10 : 284,513.12 = 89,851.50 : x
  2. Step 2: Convert to fraction form
    189,620.10/284,513.12 = 89,851.50/x
  3. Step 3: Cross multiply
    189,620.10x = 284,513.12 × 89,851.50
  4. Step 4: Simplify right side
    189,620.10x = 25,563,930,601.68
  5. Step 5: Solve for x
    x = 25,563,930,601.68/189,620.10
  6. Step 6: Final answer
    x = 134,816.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.